W24257AJ-8N Datasheet, PDF (4/8 Pages) Winbond – 32K X 8 High Speed CMOS Static RAM

W24257AJ-8N
AC CHARACTERISTICS
(VDD = 5V ±5%, VSS = 0V, TA = 0 to 55° C)
Read Cycle
PARAMETER
SYM.
Read Cycle Time
Address Access Time
Chip Select Access Time
Output Enable to Output Valid
Chip Selection to Output in Low Z
Output Enable to Output in Low Z
Chip Deselection to Output in High Z
Output Disable to Output in High Z
Output Hold from Address Change
∗ These parameters are sampled but not 100% tested.
TRC
TAA
TACS
TAOE
TCLZ∗
TOLZ∗
TCHZ∗
TOHZ∗
TOH
Write Cycle
PARAMETER
SYM.
Write Cycle Time
Chip Selection to End of Write
Address Valid to End of Write
Address Setup Time
Write Pulse Width
Write Recovery Time
CS , WE
Data Valid to End of Write
Data Hold from End of Write
Write to Output in High Z
Output Disable to Output in High Z
Output Active from End of Write
∗ These parameters are sampled but not 100% tested.
TWC
TCW
TAW
TAS
TWP
TWR
TDW
TDH
TWHZ∗
TOHZ∗
TOW
W24257AJ-8N
MIN.
MAX.
8
-
-
8
-
8
-
4
3
-
0
-
-
4
-
4
3
-
UNIT
nS
nS
nS
nS
nS
nS
nS
nS
nS
W24257AJ-8N
MIN.
MAX.
8
-
7
-
7
-
0
-
7
-
0
-
6
-
0
-
-
5
-
5
0
-
UNIT
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
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